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Finding the Fourth Proportional to 329,329.68, 454,475.25 and 178,426.68

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Solution

The fourth proportional to 329,329.68, 454,475.25 and 178,426.68 is: 246,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,329.68 : 454,475.25 = 178,426.68 : x
  2. Step 2: Convert to fraction form
    329,329.68/454,475.25 = 178,426.68/x
  3. Step 3: Cross multiply
    329,329.68x = 454,475.25 × 178,426.68
  4. Step 4: Simplify right side
    329,329.68x = 81,090,509,999.67
  5. Step 5: Solve for x
    x = 81,090,509,999.67/329,329.68
  6. Step 6: Final answer
    x = 246,228.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.